#78DBCB
Closest named color: Tiffany Blue (#94D2BD). oklch(82.6% 0.097 182.2), rgb(120, 219, 203).
Aa
Black text reads best on this color (12.79:1).
About this color
#78DBCB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.097 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Tiffany Blue (#94D2BD), ΔE 0.033 away. Black text reads best on it, at 12.79:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Tiffany Blue (#94D2BD) |
| Black text | 12.79:1 |
| White text | 1.64:1 |
Values
| HEX | #78DBCB |
| RGB | rgb(120, 219, 203) |
| HSL | hsl(170, 58%, 66%) |
| OKLCH | oklch(82.6% 0.097 182.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #78DBCB | 1.64:1 | Fails | Lc -31.9 | Non-text elements, placeholder text |
| Black text on #78DBCB | 12.79:1 | AAA | Lc 75.5 | Fine for body text |
| #78DBCB text on white | 1.64:1 | Fails | Lc 28.3 | Dividers and decoration only |
| #78DBCB text on black | 12.79:1 | AAA | Lc -74.6 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#EDF8F6
oklch(97% 0.012 184.1)
-
Step 100
100
#D7F0EB
oklch(93.5% 0.027 182.4)
-
Step 200
200
#B3E5DC
oklch(88.5% 0.053 182.8)
-
Step 300
300 (this color)
#78DBCB
oklch(82.6% 0.097 182.2)
-
Step 400
400
#00BAA7
oklch(70.8% 0.127 182.2)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#78DBCB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D3D1CA | 0.103 |
| Deuteranopia (no green cones) | #C2C5CC | 0.096 |
| Tritanopia (no blue cones) | #4DDED6 | 0.029 |
| Achromatopsia (no color) | #CACACA | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78DBCB
#78DBCB
oklch(82.6% 0.097 182.2)
- #FCACC1
#FCACC1
oklch(82.7% 0.097 2.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #78DBCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiffany Blue #94D2BD ΔE 0.033
- Seafoam Blue #78D1B6 ΔE 0.034
- Turquoise #40E0D0 ΔE 0.035
- Light Teal #90E4C1 ΔE 0.040
- Pale Teal #82CBB2 ΔE 0.046
- Medium Turquoise #48D1CC ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.057
- Celeste #A8DADC ΔE 0.057
Use #78DBCB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.